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Luda [366]
4 years ago
5

In the periodic table, the properties repeat in what direction?​

Physics
1 answer:
pogonyaev4 years ago
7 0

Answer:

Left to right and top to bottom

Explanation:

On the periodic table, the properties repeat from left to right and from top to bottom.

Periodic properties have a pattern from the top to the bottom or down a group or family.

Also, across the period from left to right, they also show a repeating pattern.

  1. Certain properties increase from left to right and decreases from top to bottom. E.g. electronegativity.
  2. Also, some properties decreases from left to right and increases from top to bottom e.g. atomic radius.
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Explanation:

It is given that,

Mass of the rocket, m=250\times 10^3\ slugs

(a) The SI unit of mass is kilogram (kg). The relation between slugs and the kg is given by :

1 slug = 14.59 kg

So, 250\times 10^3\ slugs=250\times 10^3\times 14.59

Mass of the rocket, m = 3647500 kg

(b) Weight of the rocket is given by :

W = m g

W=3647500\times 9.8=35745500\ N

or

W=3.5\times 10^7\ N

(c) If the rocket is placed on the moon. The acceleration due to gravity on the moon is, a=5.3\ ft/s^2=1.61\ m/s^2

Mass is the amount of matter contained inside the object. So, the mass of the rocket remains the same i.e. 3647500  kg

Weight of the rocket on the moon is, W=mg

W=3647500\times 1.61

W = 5872475 N

or

W=5.8\times 10^6\ N

Hence, this is the required solution.                        

8 0
3 years ago
How do you label acceleration?​
juin [17]

Answer:

the right answer is The standard unit of measurement for acceleration is meters per second squared or m/s2.

7 0
3 years ago
Two identical ambulances with loud sirens are driving directly towards you at a speed of 40 mph. One ambulance is 2 blocks away
Rasek [7]

Answer:

c) The pitch of the two sirens sounds the same to you

Explanation:

The pitch does not depend on the distance of the object from the observer.

As per the given data

pitch = frequency

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f^{'} = f_{0}  \frac{V }{V - V_{s}}

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3 years ago
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The choices can be found elsewhere and as follows:

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